same issue later today congress will convene a hearing on the national security agency's classified surveillance programs and edward snowden's leaks about all of this and take a look at the damage he caused. chris? >> barbara, thank you very much. appreciate the reporting. >>> it is being called an epidemic, allegations of rampant misconduct at the tsa, the agency spoetz esupposed to be k you safe in the skies. cnn's rene marsh joins us in washington. just a few hours from now they're going to take this up. what do we expect? good morning to you. >> good morning, chris. in about four hours this is going to get under way. think about it, in any organization with 56,000 employees you may expect some rotten eggs in the bunch. the tsa is no different. some of the misconduct is commonplace, excessive absence or tardiness but some is downright troubling and could have a major impact on security. the list includes everything from forgery, sexual misconduct to physical fighting and using abusive lang badge. language. >> this may be the tip of the iceberg of some of the offenses. >> reporter: it's the ag